<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
//    var date1 = new Date('2017-8-29 10:20:00 GMT+0800');
//    var t1 = date1.getTime()
//    var t2 = Date.parse('2017-8-29 10:20:00')///GMT+0800
//    var t3 = Date.UTC(2017,8,29,10,20,0,000)///GMT+0800
//    console.log(t1);
//    console.log(t2);
//    console.log(t3);
</script>
</body>
</html>